I have heard people say there is no center to the expansion of the universe. I have also heard the expansion described as an ever expanding balloon with all galaxies as dots on the surface. These to statements seem contradictorily to me.
If the expansion of the universe was like the above...
So many prominent physicists have argued that the universe may have formed within a vacuum from a virtual particle (either with no energy or without an opposite pair etc...). It’s the classical something from nothing argument.
However, could it not be argued that a “vacuum” within our...
Part of my basic understanding of the holographic principal is that the amount information in a given area of space is less than the surface area that surrounds that region (measured in Planck units squared). The exception being that in the case of a black hole the information stored within an...